trans-β-Methylstyrene

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Gas phase thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δcgas-1216.05kcal/molCcbKrall and Roberts, 1958Corresponding Δfgas = 28.01 kcal/mol (simple calculation by NIST; no Washburn corrections)

Condensed phase thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δcliquid-1191.5kcal/molCcbAuwsers, Roth, et al., 1910Corresponding Δfliquid = 3.5 kcal/mol (simple calculation by NIST; no Washburn corrections)

Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil450. ± 3.KAVGN/AAverage of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus246.65KN/APark and Wright, 1954Uncertainty assigned by TRC = 1. K; TRC
Tfus243.23KN/AAnonymous, 1953Uncertainty assigned by TRC = 0.2 K; TRC
Tfus243.82KN/AAnonymous, 1953Uncertainty assigned by TRC = 0.15 K; TRC
Tfus243.08KN/AAnonymous, 1952Uncertainty assigned by TRC = 0.5 K; TRC
Tfus242.15KN/ALespieau, 1930Uncertainty assigned by TRC = 4. K; cis-trans isomer not identified, but m.p. corr. approx. to cis-; TRC

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
11.1306.AStephenson and Malanowski, 1987Based on data from 291. - 452. K. See also Stull, 1947.; AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Reaction thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

Hydrogen + trans-β-Methylstyrene = Benzene, propyl-

By formula: H2 + C9H10 = C9H12

Quantity Value Units Method Reference Comment
Δr-25.31 ± 0.31kcal/molChydAbboud, Jimenez, et al., 1995liquid phase; solvent: Hyrocarbon; Like gas phase

(Z)-1-Phenylpropene = trans-β-Methylstyrene

By formula: C9H10 = C9H10

Quantity Value Units Method Reference Comment
Δr-2.63 ± 0.07kcal/molEqkTaskinen and Lindholm, 1994liquid phase; solvent: DMSO; Heat of isomerization

Benzene, 2-propenyl- = trans-β-Methylstyrene

By formula: C9H10 = C9H10

Quantity Value Units Method Reference Comment
Δr-5.6 ± 0.1kcal/molEqkTaskinen and Lindholm, 1994liquid phase; solvent: DMSO

trans-β-Methylstyrene = Benzene, 2-propenyl-

By formula: C9H10 = C9H10

Quantity Value Units Method Reference Comment
Δr-4.80kcal/molEqkTaskinen and Lindholm, 1994gas phase; Heat of isomerization

IR Spectrum

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Gas Phase Spectrum

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Additional Data

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Owner NIST Standard Reference Data Program
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin NIST Mass Spectrometry Data Center
State gas
Instrument HP-GC/MS/IRD

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Krall and Roberts, 1958
Krall, R.E.; Roberts, J.D., Strain variation in the unsaturated cyclobutane ring, Am. Chem. Soc. Div. Pet. Chem., 1958, 3, 63-68. [all data]

Auwsers, Roth, et al., 1910
Auwsers, K.; Roth, W.A.; Eisenlohr, F., III. Verbrennungswarmen von Terpenen und Styrolen, Justus Liebigs Ann. Chem., 1910, 267-290. [all data]

Park and Wright, 1954
Park, W.R.R.; Wright, G.F., J. Org. Chem., 1954, 19, 1435. [all data]

Anonymous, 1953
Anonymous, R., , Physical Properties of Chemical Substances, Dow Chemical Company, 1953. [all data]

Anonymous, 1952
Anonymous, R., , Physical Properties of Chemical Substances, Dow Chemical Co., 1952. [all data]

Lespieau, 1930
Lespieau, R., Preparation of the β Dibromides of Trimethylenic Hydrocarbons, Bull. Soc. Chim. Fr., 1930, 47, 847. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

Abboud, Jimenez, et al., 1995
Abboud, J.-L.M.; Jimenez, P.; Roux, M.V.; Turrion, C.; Lopez-Mardomingo, C.; Podosenin, A.; Rogers, D.W.; Liebman, J.F., Interrelations of the energetics of amides and alkenes: enthalpies of formation of N,N-dimethyl dertivatives of pivalamide, 1-adamantylcarboxamide and benzamide, and of styrene and its a-, trans-β- and β,β-methylated derivates, J. Phys. Org. Chem., 1995, 8, 15-25. [all data]

Taskinen and Lindholm, 1994
Taskinen, E.; Lindholm, N., Relative thermodynamic stabilities of the isomeric propenylbenzenes, J. Phys. Org. Chem., 1994, 7, 256-258. [all data]


Notes

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